> A. Mani writes
>> I would like to know of surveys in axiomatic theories of geometries
>> which do not allow for conceptions of points, lines and surfaces.
>> A.P. Hazen writes:
>> ------ I would start by looking at Roberto Casati and Achille
> Varzi's "Parts and Places: the structure of spatial representation"
> (MITP 1999: ISBN 0-262-03266-X), and citations therein. There has
> been a fair bit of work on "pointless" approaches to topology in
> fairly recent times. Casati and Varzi survey some of it. Of their
> references, I have a feeling (vague memory from reading the book and
> from conversation with Varzi) that the paper by Gerla in F.
> Buekenhout, ed., "Handbook of Incidence Geometry" (Elsevier: 1995),
> pp. 1015-1031 **might** be a good starting place.
You might also check P. T. Johnstone: The point of pointless topology. Bulletin
American Mathematical Society, 8(1):41--53, 1983 and Giovanni Sambin's page on
Formal Topology. http://www.math.unipd.it/~sambin/maths-formaltopology.html
Pointless approaches to topology are developing in mathematics already during
few decades, and it is a great pity that many philosophers interested in this
issue don't take these important developments into account...
Andrei Rodin
Ecole Normale Superieure